simple-pane-visible-height

Generic Function

Summary

Gets the visible height of a pane.

Package

capi

Signature

simple-pane-visible-height
pane
=>
result

Arguments

pane

A simple pane.

Values

result

The height of the visible part of
pane
, or
nil
.

Description

The generic function
simple-pane-visible-height
returns the height in pixels of the visible part of
pane
, that is the height of the viewport, not including any borders or scroll bars. If
pane
is not displayed the function returns
nil
.

See the
LispWorks CAPI User Guide
for a description of the visible size of a pane.